Home / 492,776.11-680,032.04-266,421.61

Finding the Fourth Proportional to 492,776.11, 680,032.04 and 266,421.61

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Solution

The fourth proportional to 492,776.11, 680,032.04 and 266,421.61 is: 367,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,776.11 : 680,032.04 = 266,421.61 : x
  2. Step 2: Convert to fraction form
    492,776.11/680,032.04 = 266,421.61/x
  3. Step 3: Cross multiply
    492,776.11x = 680,032.04 × 266,421.61
  4. Step 4: Simplify right side
    492,776.11x = 181,175,230,948.38
  5. Step 5: Solve for x
    x = 181,175,230,948.38/492,776.11
  6. Step 6: Final answer
    x = 367,662.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.